Improvement in construction of houses



R. G. 86 O. G. LINDSAY. Construction of House.

N 199,076. Patented Jan. 8.187s.

1&1

a Jzy- 2 WITNESSES:

Amounts.

N.FETERS'. FNDTO-LITNOGRAPNER. WASHINGTON, D C.

UNITED STATES PATENT QFFIOE.

ROBERT G. LINDSAY AND CHRISTIAN G. LINDSAY, OF HOLLIDAYSBURG, PA.

IMPROVEMENT IN CONSTRUCTION OF HOUSES.

Specification forming part of Letters Patent No. 199,076, dated January 8, 1878; application filed October 6, 1877.

To all whom it may concern: This compound wood and brick wall is Be it known that we, ROBERT G. LINDSAY cheaper than a double brick wall, but equally and CHRISTIAN G. LINDSAY, of Hollidaysburg, stable and firm, and presents the same appearin the county of Blair and State of Pennsylance both cxteriorly and interiorly. It has, Vania, have invented a new and useful Imfurther, the advantage that the moisture which provement in the Construction of Houses, of may permeate the outer or brick wall will not which the following is a specification: be absorbed by the wooden wall, nor even The object of the inventionis to combine the come in contact with it nor will changes in qualities of non-conductivity of heat, absence the temperature of the outer wall, nor a differof condensation of moisture on the inner wall, ence between the temperature of the air within and economy of construction. the building and that exterior thereto, produce To this end we incase or sheath a wooden condensation of moisture (commonly termed frame, and connect it with an outer brick wall sweat) on the inner wall. The radiation or casing bymeans of metal ties, the two structand conduction of heat are likewise cut off as ures being completely separated by a deadeffectually as practicable without increasing air space, as hereinafter described. I the thickness or adding to the cost of the struct- In the annexed drawings, Figure 1 shows me. part of a building having wooden and brick What We claim is walls, mounted on a stone foundation. Figs. The combination of the incased or sheathed 2 and 3 are details in section. wooden part A, the outer part or face-Wall B,

Similar letters of reference indicate correformed of brick, the two being so located as sponding parts. to leave a clear dead-air space between them,

The walls of the wooden partA of the dwelland the nails or spikes a, which connect the ingouse or other structure are first erected, two walls, substantially as shown and deand sheathed or incased on the outer side. scribed.

The brick face-wall B is then laid, but in such relation to the wooden wall A as to leave a ROBERT GALBRAITH LINDSAY. dead-air space between them. The two parts CHRISTIAN GARBEN LINDSAY. A B are tied together, in the process of laying the wall B, by means of long spikes or Witnesses:

nails a, which are driven into the wooden wall, G. W. OVER and project between the courses of bricks and JOHN G. REED. are embedded in the mortar or cement. 

